Neptunium(III) fluoride

Neptunium(III) fluoride
Names
	IUPAC name Neptunium(III) fluoride
	Other names Neptunium trifluoride
Identifiers
CAS Number	16852-37-2;
3D model (JSmol)	Interactive image;
ChemSpider	103872710;
PubChem CID	13751216;
CompTox Dashboard (EPA)	DTXSID701312245 ;
	InChI InChI=1S/Np.3FH/h;3*1H/q+3;;;/p-3 Key: ZBOLUSKWQLLYDC-UHFFFAOYSA-K;
	SMILES F[Np](F)F;
Properties
Chemical formula	NpF3
Molar mass	294 g/mol
Appearance	Purple solid
Structure
Crystal structure	Trigonal, hP8
Space group	P63/mmc, No. 194
Lattice constant	a = 0.7129 nm, c = 0.7288 nm
Lattice volume (V)	0.32077 nm3
Formula units (Z)	6
Thermochemistry
Heat capacity (C)	94 ± 3 J/mol·K
Std molar; entropy (S⦵298)	131 ± 3 J/mol·K
Std enthalpy of; formation (ΔfH⦵298)	−1529 ± 8 kJ/mol
Gibbs free energy (ΔfG⦵)	−1461 ± 8 kJ/mol
Related compounds
Other anions	Neptunium(III) chloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Neptunium(III) fluoride or neptunium trifluoride is a salt of neptunium and fluorine with the formula NpF₃.